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move rpc and rpc_id implementations back to header

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StackOverflow on why this is needed: https://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file
Minor mistake in commit ca7d572908
This commit is contained in:
Nathan Franke 2022-08-02 05:47:16 -05:00
parent 3b39f00761
commit c3c5985189
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GPG key ID: 082B90CF10A5B648
2 changed files with 18 additions and 15 deletions
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15
scene/main/node.cpp
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@ -653,21 +653,6 @@ Error Node::_rpc_id_bind(const Variant **p_args, int p_argcount, Callable::CallE
return err;
}
template <typename... VarArgs>
Error Node::rpc(const StringName &p_method, VarArgs... p_args) {
return rpc_id(0, p_method, p_args...);
}
template <typename... VarArgs>
Error Node::rpc_id(int p_peer_id, const StringName &p_method, VarArgs... p_args) {
Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
const Variant *argptrs[sizeof...(p_args) + 1];
for (uint32_t i = 0; i < sizeof...(p_args); i++) {
argptrs[i] = &args[i];
}
return rpcp(p_peer_id, p_method, sizeof...(p_args) == 0 ? nullptr : (const Variant **)argptrs, sizeof...(p_args));
}
Error Node::rpcp(int p_peer_id, const StringName &p_method, const Variant **p_arg, int p_argcount) {
ERR_FAIL_COND_V(!is_inside_tree(), ERR_UNCONFIGURED);
return get_multiplayer()->rpcp(this, p_peer_id, p_method, p_arg, p_argcount);

18
scene/main/node.h
View file

@ -512,4 +512,22 @@ VARIANT_ENUM_CAST(Node::DuplicateFlags);
typedef HashSet<Node *, Node::Comparator> NodeSet;
// Template definitions must be in the header so they are always fully initialized before their usage.
// See this StackOverflow question for more information: https://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file
template <typename... VarArgs>
Error Node::rpc(const StringName &p_method, VarArgs... p_args) {
return rpc_id(0, p_method, p_args...);
}
template <typename... VarArgs>
Error Node::rpc_id(int p_peer_id, const StringName &p_method, VarArgs... p_args) {
Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
const Variant *argptrs[sizeof...(p_args) + 1];
for (uint32_t i = 0; i < sizeof...(p_args); i++) {
argptrs[i] = &args[i];
}
return rpcp(p_peer_id, p_method, sizeof...(p_args) == 0 ? nullptr : (const Variant **)argptrs, sizeof...(p_args));
}
#endif // NODE_H